Dr



Dr. Westerhold

Practice Questions Exam II (Ch. 6 Ecp; Ch. 4 efficiency, price ceilings, price floors, and taxes; Ch. 9 consumer choice) Remember these questions are just for extra practice in preparing for the exam. They do NOT accurately represent what your exam will look like. You must review your notes, assignments, and in class bonus activity in addition to this packet.

1. If Ecp=-2.3 and the Price of Y increases by 10% then

A. the Demand for X will fall by 2.3%.

B. the demand for X will fall by 23%

C. the demand for X will increase by 2.3%

D. the Demand for X will increase by 23%.

E. the Demand for Y will decrease by 2.3%.

2. Assume that as the price of product X increases, the demand for product Y decreases. It can then be concluded that

A. Y is a luxury good.

B. X and Y are substitutes.

C. X and Y are complements.

D. Y is an inferior good.

E. the goods are substitutes and inferior.

3. You are the new Marketing VP for Nissan and you are targeting a new advertising campaign against your largest competitor, Jeep Grand Cherokee. You know that Jeep is your biggest competitor because

A. The cross price elasticity is a large, negative number.

B. The income elasticity is a large, positive number.

C. The cross price elasticity is a large, positive number.

D. The price elasticity of demand is a large, positive number

E. The income elasticity is a large, negative number.

4. A negative cross price elasticity indicates

A. inelastic demand.

B. substitutes.

C. complements.

D. inferior goods.

E. unrelated goods.

5. If Ecp= -2.31 then

A. the good is a normal good.

B. the good is an inferior good.

C. the good is a substitute

D. the good is a complement

E. both B and D.

|Figure 4-17 |

|Price |Quantity of |

|Per Chair |Desks Demanded |

|$ 45 |210 |

|$ 55 |190 |

|$ 65 |150 |

|$ 75 |120 |

6. Bill's Office Furniture sells office chairs and desks. Bill's has changed the price per chair by $10 in each of four successive weeks. Figure 4-17 shows the four prices along with the corresponding sales of desks. What is the cross-price elasticity of demand of desks with respect to chairs when the price of a chair changes in the $45 to $55 range?

|a. |-2.0 |

|b. |2.0 |

|c. |0.5 |

|d. |-0.5 |

|e. |-1.0 |

|Figure 4-1 |

|Price |Quantity |Quantity |

|Per Pair |Demanded |Supplied |

|$  2 |18 |3 |

|$  4 |14 |4 |

|$  6 |10 |5 |

|$  8 |  6 |6 |

|$10 |  2 |8 |

____ 7. Figure 4-1 shows the supply and demand for socks. If a price ceiling of $6 per pair is imposed by the government, the number of pairs actually purchased (observed quantity) will be

|a. |5 pairs |

|b. |8 pairs |

|c. |4 pairs |

|d. |1 pair |

|e. |6 pairs |

____ 8. Price floors and price ceilings

|a. |lead to the same prices and quantities that would be found in a competitive market |

|b. |lead to efficient outcomes |

|c. |cause the demand curve to shift to the left |

|d. |Impose efficiency costs such as deadweight losses |

|e. |Are easily altered through the legislative process. |

[pic]

____ 9. Figure 4-4 depicts a market in which the government has imposed a price floor of $5.00 per unit. To maintain the price floor, the government should

|a. |buy 200 units of the good |

|b. |sell 200 units of the good |

|c. |buy 700 units of the good |

|d. |sell 700 units of the good |

|e. |buy 500 units of the good |

____ 10. If 10 units of a good are sold at a market price of $40 each, then

|a. |the value or marginal benefit received from consumption of the tenth unit is $40 |

|b. |the economy is efficient |

|c. |selling an 11th unit would increase efficiency |

|d. |The marginal cost must be at least $40. |

|e. |the market must be very competitive |

____ 11. At any quantity at which the demand curve lies above the supply curve,

|a. |The marginal benefit is less than the marginal cost |

|b. |the marginal cost is greater than the marginal benefit to some consumer |

|c. |marginal cost exceeds the market price or value |

|d. |the market is efficient |

|e. |the marginal benefit of the last unit exceeds the marginal cost of producing it |

____ 12. Market consumer surplus at any price

|a. |is the area above the market supply curve and below the market demand curve |

|b. |is the area below the market supply curve and above the market demand curve |

|c. |is the area under the demand curve and above the market price |

|d. |is that price multiplied by the number of units demanded |

|e. |is the number of units demanded multiplied by the cost of producing them. |

____ 13. An individual seller's producer surplus on a unit of a good is

|a. |Always zero. |

|b. |The difference between what the buyer would pay and what the buyer actually pays |

|c. |greater than the buyer's consumer surplus on that unit |

|d. |an example of a deadweight loss |

|e. |the difference between the price the seller receives and the cost of producing that unit. |

____ 14. A price ceiling

|a. |creates more harm for sellers (producers) than gain for buyers (consumers) as indicated by a deadweight loss |

|b. |creates more harm for buyers (consumers) than gain for sellers (producers) as indicated by a deadweight loss. |

|c. |is effective only it if is set above the equilibrium price |

|d. |can turn an inefficient outcome into an efficient outcome |

|e. |is an improvement toward efficiency |

____ 15. An efficiency loss or deadweight loss in a market

|a. |is the dollar difference between consumer surplus and producer surplus |

|b. |is measured as the area above the market price and to the left of the market quantity |

|c. |is the dollar value of potential benefits or surplus not achieved due to inefficiency in that market |

|d. |is typically due to low prices |

|e. |is typically minimized when a government sets a price ceiling |

16. Suppose the reservation price for a good is $20 and the minimum selling price is $5. Further assume the equilibrium price is $8 and equilibrium quantity is 100 units. What is the value of consumer surplus and producer surplus in equilibrium?

A. $750, $750.

B.$600; $150

C. $150, $600

D. $1200; $300

E. none of the above

[pic]

Figure 4-8 shows the market for cases of beer. The government plans to impose a unit tax in this market.

17. Refer to Figure 4-8. What is the amount of the unit tax?

A) $2

B) $5

C) $7

D) $12

18. Refer to Figure 4-8. How much tax revenue is generated by the tax?

A) $2610

B) $1350

C) $250

D) $350

E) $630

19. Refer to Figure 4-8. How much of the tax per unit is paid by buyers?

A) $2

B) $5

C) $7

D) $12

20) Refer to Figure 4-8. How much of the tax per unit is paid by producers?

A) $2

B) $5

C) $7

D) $12

21) Refer to Figure 4-8. Who bears the burden of this tax?

A) government

B) producers because consumers are price elastic

C) producers because consumers are price inelastic.

D) consumers because consumers are price elastic

E) consumers because consumers are price inelastic.

22. If I=1000 and the Px=10 and the Py=5 and then the Px increases to 20 we would expect

A. the budget line to shift outward parallel to the original.

B. the budget line to shift inward parallel to the original.

C. the budget line to rotate inward around the x-intercept (pivots on x intercept)

D. the budget line to rotate inward around the y-intercept (pivots on y intercept)

E. the budget line to rotate outward around the y-intercept (pivots on y intercept)

23. If I=1000 and the Px=10 and the Py=5 then if the consumer purchases 50 units of X, they can still afford to purchase ______ units of Y and be located on the budget line.

A. 50

B. 80

C. 100

D. 200

E. 500

24. Total utility describes

A. total consumption times marginal utility.

B. the utility gained from all consumption.

C. total consumption divided by marginal utility.

D. an increase in consumption times the gain in utility.

E. the utility per dollar spent on the good.

25. The fact that the third coke does not generate as much satisfaction as the second coke is an example of

A. increasing total utility.

B. diminishing total utility.

C. inelastic demand.

D. diminishing marginal utility.

E. elastic demand.

26. The level of satisfaction consumers received is called

A. budget lines

B. household income

C. utility.

D. supply curves.

27 Using the following table, what is the value of C?

| | | |

|QUANTITY |TOTAL UTILITY |MARGINAL UTILITY |

| | | |

|0 |0 |0 |

| | | |

|1 |25 |25 |

| | | |

|2 |A |22 |

| | | |

|3 |B |13 |

| | | |

|4 |70 |C |

A. 5.

B. 15.

C. 10.

D. 12.

28. Most people would prefer to drive a luxury car that has all the options, but more people buy less expensive cars even though they could afford the luxury car because

A) car buyers are irrational.

B) the total utility of less expensive cars is greater than that of luxury cars.

C) the marginal utility per dollar spent (MU/P) on the less expensive car is higher than that spent on luxury cars.

D) luxury cars cost a lot more than non-luxury cars.

Use the following information to answer questions 29-30

Income=40

P movie=5

P pizza=10

|Movies |TU |Pizza |TU |

|1 |18 |1 |45 |

|2 |33 |2 |80 |

|3 |36 |3 |110 |

29. What is the MU of the 2nd pizza?

30. How many units of movies and pizza will the consumer buy in equilibrium? What is their total utility at this consumption point?

31. If MU of apples is 10 and the MU of oranges is 12; and the price of apples are $2 a pound and oranges are $3 per pound then the consumer should

A. increase consumption of apples and decrease consumption of oranges to reach equilibrium

B. increase consumption of oranges and decrease consumption of apples to reach equilibrium

C. increase consumption of both apples and oranges.

D. decrease consumption of both apples and oranges.

Review HW#4 and HW#5 in preparing for this exam in addition to the in-class bonus activity from Friday. The bonus contains the consumer equilibrium and deriving demand questions relevant for this exam.

Answers:

1. B

2. C

3. C

4. C

5. D

6. D

7. A

8. D

9. A

10. A

11. E

12. C

13. E

14. A

15. C

16. B

17. C

18. D

19. B

20. A

21. E

22. D

23. C

24. B

25. D

26. C

27. C

28. C

29. 35

30. 3pizza + 2 movies

31. A

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